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TOI-2267: Earth-sized Worlds in a Tight Binary — A New Benchmark for Planet Formation
Manage episode 515548970 series 3690682
المحتوى المقدم من Mike Breault. يتم تحميل جميع محتويات البودكاست بما في ذلك الحلقات والرسومات وأوصاف البودكاست وتقديمها مباشرة بواسطة Mike Breault أو شريك منصة البودكاست الخاص بهم. إذا كنت تعتقد أن شخصًا ما يستخدم عملك المحمي بحقوق الطبع والنشر دون إذنك، فيمكنك اتباع العملية الموضحة هنا https://ar.player.fm/legal.
Join us as we explore TOI-2267, a 190-light-year system where two cool M-dwarfs orbit incredibly close (about 8 AU apart) and host three Earth-sized worlds. The two confirmed planets, TOI-2267 b and c (≈1.0 and ≈1.14 Earth radii) orbit the primary in a delicate 3:2 resonance, surviving in a chaotic gravitational environment, while a third candidate, TOI-2267.02, could be lurking around the secondary star. If confirmed, this would be the first known binary with transiting planets around both stars—a T-type configuration that tests current planet-formation theories. We discuss how resonant dynamics, migration, and transit-timing variations—measurable with JWST—could pin down masses, confirm the architecture, and even probe atmospheres, making TOI-2267 a natural laboratory for rocky planet formation under extreme gravity.
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